发明名称 Digital light signal lamp
摘要 The invention consists in the idea of providing light signal systems for controlling road traffic with a digital time display from which the driver of a vehicle can read off, when the lights are red, the time remaining until they change to green.
申请公布号 CH658737(A5) 申请公布日期 1986.11.28
申请号 CH19850000565 申请日期 1985.02.08
申请人 PETER FISCHER 发明人 FISCHER, PETER
分类号 G08G1/096;(IPC1-7):G08G1/095 主分类号 G08G1/096
代理机构 代理人
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